How to read the table
The 50th percentile is the median: half of the relevant full-time employee jobs paid less and half paid more. At the 90th percentile, only one in ten paid more.
For example, annual pay of about £50,000 sits around the 90th percentile for employees aged 22–29, but between the 60th and 70th percentiles for employees aged 40–49.
Why pay tends to peak in middle age
Experience, seniority and occupational progression raise earnings through the twenties, thirties and forties. The later fall in the median reflects a mixture of occupational choices, reduced hours, cohort effects and people leaving higher-paid employment. It does not describe an automatic pay trajectory for each individual.
Important limits
The table covers employee jobs, not self-employed profits, business ownership, investment income or household income. It also says nothing about accumulated wealth. Someone can have a modest current salary and substantial pension or property wealth, particularly at older ages.
Use the right comparison
Use the age table for a labour-market comparison. Use the main calculator for total taxpayer income, then open detailed mode for household and wealth context.